define(function(require, exports, module) {
	/* =========================================================
	 * bootstrap-datepicker.js
	 * http://www.eyecon.ro/bootstrap-datepicker
	 * =========================================================
	 * Copyright 2012 Stefan Petre
	 * Improvements by Andrew Rowls
	 * Improvements By Keenthemes for Boostrap 3.0 support
	 *
	 * Licensed under the Apache License, Version 2.0 (the "License");
	 * you may not use this file except in compliance with the License.
	 * You may obtain a copy of the License at
	 *
	 * http://www.apache.org/licenses/LICENSE-2.0
	 *
	 * Unless required by applicable law or agreed to in writing, software
	 * distributed under the License is distributed on an "AS IS" BASIS,
	 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	 * See the License for the specific language governing permissions and
	 * limitations under the License.
	 * ========================================================= */

	(function($) {

		var $window = $(window);

		function UTCDate() {
			return new Date(Date.UTC.apply(Date, arguments));
		}

		function UTCToday() {
			var today = new Date();
			return UTCDate(today.getUTCFullYear(), today.getUTCMonth(), today.getUTCDate());
		}


		// Picker object

		var Datepicker = function(element, options) {
			var that = this;

			this._process_options(options);

			this.element = $(element);
			this.isInline = false;
			this.isInput = this.element.is('input');
			this.component = this.element.is('.date') ? this.element.find('.input-group-btn, .btn') : false;
			this.hasInput = this.component && this.element.find('input').length;
			if (this.component && this.component.length === 0)
				this.component = false;

			this.picker = $(DPGlobal.template);
			this._buildEvents();
			this._attachEvents();

			if (this.isInline) {
				this.picker.addClass('datepicker-inline').appendTo(this.element);
			} else {
				this.picker.addClass('datepicker-dropdown dropdown-menu');
			}

			if (this.o.rtl) {
				this.picker.addClass('datepicker-rtl');
				this.picker.find('.prev i, .next i')
					.toggleClass('fa-angle-left fa-angle-right');
			}


			this.viewMode = this.o.startView;

			if (this.o.calendarWeeks)
				this.picker.find('tfoot th.today')
				.attr('colspan', function(i, val) {
					return parseInt(val) + 1;
				});

			this._allow_update = false;

			this.setStartDate(this._o.startDate);
			this.setEndDate(this._o.endDate);
			this.setDaysOfWeekDisabled(this.o.daysOfWeekDisabled);

			this.fillDow();
			this.fillMonths();

			this._allow_update = true;

			this.update();
			this.showMode();

			if (this.isInline) {
				this.show();
			}
		};

		Datepicker.prototype = {
			constructor: Datepicker,

			_process_options: function(opts) {
				// Store raw options for reference
				this._o = $.extend({}, this._o, opts);
				// Processed options
				var o = this.o = $.extend({}, this._o);

				// Check if "de-DE" style date is available, if not language should
				// fallback to 2 letter code eg "de"
				var lang = o.language;
				if (!dates[lang]) {
					lang = lang.split('-')[0];
					if (!dates[lang])
						lang = defaults.language;
				}
				o.language = lang;

				switch (o.startView) {
					case 2:
					case 'decade':
						o.startView = 2;
						break;
					case 1:
					case 'year':
						o.startView = 1;
						break;
					default:
						o.startView = 0;
				}

				switch (o.minViewMode) {
					case 1:
					case 'months':
						o.minViewMode = 1;
						break;
					case 2:
					case 'years':
						o.minViewMode = 2;
						break;
					default:
						o.minViewMode = 0;
				}

				o.startView = Math.max(o.startView, o.minViewMode);

				o.weekStart %= 7;
				o.weekEnd = ((o.weekStart + 6) % 7);

				var format = DPGlobal.parseFormat(o.format);
				if (o.startDate !== -Infinity) {
					if (!!o.startDate) {
						if (o.startDate instanceof Date)
							o.startDate = this._local_to_utc(this._zero_time(o.startDate));
						else
							o.startDate = DPGlobal.parseDate(o.startDate, format, o.language);
					} else {
						o.startDate = -Infinity;
					}
				}
				if (o.endDate !== Infinity) {
					if (!!o.endDate) {
						if (o.endDate instanceof Date)
							o.endDate = this._local_to_utc(this._zero_time(o.endDate));
						else
							o.endDate = DPGlobal.parseDate(o.endDate, format, o.language);
					} else {
						o.endDate = Infinity;
					}
				}

				o.daysOfWeekDisabled = o.daysOfWeekDisabled || [];
				if (!$.isArray(o.daysOfWeekDisabled))
					o.daysOfWeekDisabled = o.daysOfWeekDisabled.split(/[,\s]*/);
				o.daysOfWeekDisabled = $.map(o.daysOfWeekDisabled, function(d) {
					return parseInt(d, 10);
				});

				var plc = String(o.orientation).toLowerCase().split(/\s+/g),
					_plc = o.orientation.toLowerCase();
				plc = $.grep(plc, function(word) {
					return (/^auto|left|right|top|bottom$/).test(word);
				});
				o.orientation = {
					x: 'auto',
					y: 'auto'
				};
				if (!_plc || _plc === 'auto')
				; // no action
				else if (plc.length === 1) {
					switch (plc[0]) {
						case 'top':
						case 'bottom':
							o.orientation.y = plc[0];
							break;
						case 'left':
						case 'right':
							o.orientation.x = plc[0];
							break;
					}
				} else {
					_plc = $.grep(plc, function(word) {
						return (/^left|right$/).test(word);
					});
					o.orientation.x = _plc[0] || 'auto';

					_plc = $.grep(plc, function(word) {
						return (/^top|bottom$/).test(word);
					});
					o.orientation.y = _plc[0] || 'auto';
				}
			},
			_events: [],
			_secondaryEvents: [],
			_applyEvents: function(evs) {
				for (var i = 0, el, ev; i < evs.length; i++) {
					el = evs[i][0];
					ev = evs[i][1];
					el.on(ev);
				}
			},
			_unapplyEvents: function(evs) {
				for (var i = 0, el, ev; i < evs.length; i++) {
					el = evs[i][0];
					ev = evs[i][1];
					el.off(ev);
				}
			},
			_buildEvents: function() {
				if (this.isInput) { // single input
					this._events = [
						[this.element, {
							focus: $.proxy(this.show, this),
							keyup: $.proxy(this.update, this),
							keydown: $.proxy(this.keydown, this)
						}]
					];
				} else if (this.component && this.hasInput) { // component: input + button
					this._events = [
						// For components that are not readonly, allow keyboard nav
						[this.element.find('input'), {
							focus: $.proxy(this.show, this),
							keyup: $.proxy(this.update, this),
							keydown: $.proxy(this.keydown, this)
						}],
						[this.component, {
							click: $.proxy(this.show, this)
						}]
					];
				} else if (this.element.is('div')) { // inline datepicker
					this.isInline = true;
				} else {
					this._events = [
						[this.element, {
							click: $.proxy(this.show, this)
						}]
					];
				}

				this._secondaryEvents = [
					[this.picker, {
						click: $.proxy(this.click, this)
					}],
					[$(window), {
						resize: $.proxy(this.place, this)
					}],
					[$(document), {
						mousedown: $.proxy(function(e) {
							// Clicked outside the datepicker, hide it
							if (!(
									this.element.is(e.target) ||
									this.element.find(e.target).length ||
									this.picker.is(e.target) ||
									this.picker.find(e.target).length
								)) {
								this.hide();
							}
						}, this)
					}]
				];
			},
			_attachEvents: function() {
				this._detachEvents();
				this._applyEvents(this._events);
			},
			_detachEvents: function() {
				this._unapplyEvents(this._events);
			},
			_attachSecondaryEvents: function() {
				this._detachSecondaryEvents();
				this._applyEvents(this._secondaryEvents);
			},
			_detachSecondaryEvents: function() {
				this._unapplyEvents(this._secondaryEvents);
			},
			_trigger: function(event, altdate) {
				var date = altdate || this.date,
					local_date = this._utc_to_local(date);

				this.element.trigger({
					type: event,
					date: local_date,
					format: $.proxy(function(altformat) {
						var format = altformat || this.o.format;
						return DPGlobal.formatDate(date, format, this.o.language);
					}, this)
				});
			},

			show: function(e) {
				if (!this.isInline)
					this.picker.appendTo('body');
				this.picker.show();
				this.height = this.component ? this.component.outerHeight() : this.element.outerHeight();
				this.place();
				this._attachSecondaryEvents();
				if (e) {
					e.preventDefault();
				}
				this._trigger('show');
			},

			hide: function(e) {
				if (this.isInline) return;
				if (!this.picker.is(':visible')) return;
				this.picker.hide().detach();
				this._detachSecondaryEvents();
				this.viewMode = this.o.startView;
				this.showMode();

				if (
					this.o.forceParse &&
					(
						this.isInput && this.element.val() ||
						this.hasInput && this.element.find('input').val()
					)
				)
					this.setValue();
				this._trigger('hide');
			},

			remove: function() {
				this.hide();
				this._detachEvents();
				this._detachSecondaryEvents();
				this.picker.remove();
				delete this.element.data().datepicker;
				if (!this.isInput) {
					delete this.element.data().date;
				}
			},

			_utc_to_local: function(utc) {
				return new Date(utc.getTime() + (utc.getTimezoneOffset() * 60000));
			},
			_local_to_utc: function(local) {
				return new Date(local.getTime() - (local.getTimezoneOffset() * 60000));
			},
			_zero_time: function(local) {
				return new Date(local.getFullYear(), local.getMonth(), local.getDate());
			},
			_zero_utc_time: function(utc) {
				return new Date(Date.UTC(utc.getUTCFullYear(), utc.getUTCMonth(), utc.getUTCDate()));
			},

			getDate: function() {
				return this._utc_to_local(this.getUTCDate());
			},

			getUTCDate: function() {
				return this.date;
			},

			setDate: function(d) {
				this.setUTCDate(this._local_to_utc(d));
			},

			setUTCDate: function(d) {
				this.date = d;
				this.setValue();
			},

			setValue: function() {
				var formatted = this.getFormattedDate();
				if (!this.isInput) {
					if (this.component) {
						this.element.find('input').val(formatted).change();
					}
				} else {
					this.element.val(formatted).change();
				}
			},

			getFormattedDate: function(format) {
				if (format === undefined)
					format = this.o.format;
				return DPGlobal.formatDate(this.date, format, this.o.language);
			},

			setStartDate: function(startDate) {
				this._process_options({
					startDate: startDate
				});
				this.update();
				this.updateNavArrows();
			},

			setEndDate: function(endDate) {
				this._process_options({
					endDate: endDate
				});
				this.update();
				this.updateNavArrows();
			},

			setDaysOfWeekDisabled: function(daysOfWeekDisabled) {
				this._process_options({
					daysOfWeekDisabled: daysOfWeekDisabled
				});
				this.update();
				this.updateNavArrows();
			},

			place: function() {
				if (this.isInline) return;
				var calendarWidth = this.picker.outerWidth(),
					calendarHeight = this.picker.outerHeight(),
					visualPadding = 10,
					windowWidth = $window.width(),
					windowHeight = $window.height(),
					scrollTop = $window.scrollTop();

				var zIndex = parseInt(this.element.parents().filter(function() {
					return $(this).css('z-index') != 'auto';
				}).first().css('z-index')) + 10;
				var offset = this.component ? this.component.parent().offset() : this.element.offset();
				var height = this.component ? this.component.outerHeight(true) : this.element.outerHeight(false);
				var width = this.component ? this.component.outerWidth(true) : this.element.outerWidth(false);
				var left = offset.left,
					top = offset.top;

				this.picker.removeClass(
					'datepicker-orient-top datepicker-orient-bottom ' +
					'datepicker-orient-right datepicker-orient-left'
				);

				if (this.o.orientation.x !== 'auto') {
					this.picker.addClass('datepicker-orient-' + this.o.orientation.x);
					if (this.o.orientation.x === 'right')
						left -= calendarWidth - width;
				}
				// auto x orientation is best-placement: if it crosses a window
				// edge, fudge it sideways
				else {
					// Default to left
					this.picker.addClass('datepicker-orient-left');
					if (offset.left < 0)
						left -= offset.left - visualPadding;
					else if (offset.left + calendarWidth > windowWidth)
						left = windowWidth - calendarWidth - visualPadding;
				}

				// auto y orientation is best-situation: top or bottom, no fudging,
				// decision based on which shows more of the calendar
				var yorient = this.o.orientation.y,
					top_overflow, bottom_overflow;
				if (yorient === 'auto') {
					top_overflow = -scrollTop + offset.top - calendarHeight;
					bottom_overflow = scrollTop + windowHeight - (offset.top + height + calendarHeight);
					if (Math.max(top_overflow, bottom_overflow) === bottom_overflow)
						yorient = 'top';
					else
						yorient = 'bottom';
				}
				this.picker.addClass('datepicker-orient-' + yorient);
				if (yorient === 'top')
					top += height;
				else
					top -= calendarHeight + parseInt(this.picker.css('padding-top'));

				this.picker.css({
					top: top,
					left: left,
					zIndex: zIndex
				});
			},

			_allow_update: true,
			update: function() {
				if (!this._allow_update) return;

				var oldDate = new Date(this.date),
					date, fromArgs = false;
				if (arguments && arguments.length && (typeof arguments[0] === 'string' || arguments[0] instanceof Date)) {
					date = arguments[0];
					if (date instanceof Date)
						date = this._local_to_utc(date);
					fromArgs = true;
				} else {
					date = this.isInput ? this.element.val() : this.element.data('date') || this.element.find('input').val();
					delete this.element.data().date;
				}

				this.date = DPGlobal.parseDate(date, this.o.format, this.o.language);

				if (fromArgs) {
					// setting date by clicking
					this.setValue();
				} else if (date) {
					// setting date by typing
					if (oldDate.getTime() !== this.date.getTime())
						this._trigger('changeDate');
				} else {
					// clearing date
					this._trigger('clearDate');
				}

				if (this.date < this.o.startDate) {
					this.viewDate = new Date(this.o.startDate);
					this.date = new Date(this.o.startDate);
				} else if (this.date > this.o.endDate) {
					this.viewDate = new Date(this.o.endDate);
					this.date = new Date(this.o.endDate);
				} else {
					this.viewDate = new Date(this.date);
					this.date = new Date(this.date);
				}
				this.fill();
			},

			fillDow: function() {
				var dowCnt = this.o.weekStart,
					html = '<tr>';
				if (this.o.calendarWeeks) {
					var cell = '<th class="cw">&nbsp;</th>';
					html += cell;
					this.picker.find('.datepicker-days thead tr:first-child').prepend(cell);
				}
				while (dowCnt < this.o.weekStart + 7) {
					html += '<th class="dow">' + dates[this.o.language].daysMin[(dowCnt++) % 7] + '</th>';
				}
				html += '</tr>';
				this.picker.find('.datepicker-days thead').append(html);
			},

			fillMonths: function() {
				var html = '',
					i = 0;
				while (i < 12) {
					html += '<span class="month">' + dates[this.o.language].monthsShort[i++] + '</span>';
				}
				this.picker.find('.datepicker-months td').html(html);
			},

			setRange: function(range) {
				if (!range || !range.length)
					delete this.range;
				else
					this.range = $.map(range, function(d) {
						return d.valueOf();
					});
				this.fill();
			},

			getClassNames: function(date) {
				var cls = [],
					year = this.viewDate.getUTCFullYear(),
					month = this.viewDate.getUTCMonth(),
					currentDate = this.date.valueOf(),
					today = new Date();
				if (date.getUTCFullYear() < year || (date.getUTCFullYear() == year && date.getUTCMonth() < month)) {
					cls.push('old');
				} else if (date.getUTCFullYear() > year || (date.getUTCFullYear() == year && date.getUTCMonth() > month)) {
					cls.push('new');
				}
				// Compare internal UTC date with local today, not UTC today
				if (this.o.todayHighlight &&
					date.getUTCFullYear() == today.getFullYear() &&
					date.getUTCMonth() == today.getMonth() &&
					date.getUTCDate() == today.getDate()) {
					cls.push('today');
				}
				if (currentDate && date.valueOf() == currentDate) {
					cls.push('active');
				}
				if (date.valueOf() < this.o.startDate || date.valueOf() > this.o.endDate ||
					$.inArray(date.getUTCDay(), this.o.daysOfWeekDisabled) !== -1) {
					cls.push('disabled');
				}
				if (this.range) {
					if (date > this.range[0] && date < this.range[this.range.length - 1]) {
						cls.push('range');
					}
					if ($.inArray(date.valueOf(), this.range) != -1) {
						cls.push('selected');
					}
				}
				return cls;
			},

			fill: function() {
				var d = new Date(this.viewDate),
					year = d.getUTCFullYear(),
					month = d.getUTCMonth(),
					startYear = this.o.startDate !== -Infinity ? this.o.startDate.getUTCFullYear() : -Infinity,
					startMonth = this.o.startDate !== -Infinity ? this.o.startDate.getUTCMonth() : -Infinity,
					endYear = this.o.endDate !== Infinity ? this.o.endDate.getUTCFullYear() : Infinity,
					endMonth = this.o.endDate !== Infinity ? this.o.endDate.getUTCMonth() : Infinity,
					currentDate = this.date && this.date.valueOf(),
					tooltip;
				this.picker.find('.datepicker-days thead th.datepicker-switch')
					.text(dates[this.o.language].months[month] + ' ' + year);
				this.picker.find('tfoot th.today')
					.text(dates[this.o.language].today)
					.toggle(this.o.todayBtn !== false);
				this.picker.find('tfoot th.clear')
					.text(dates[this.o.language].clear)
					.toggle(this.o.clearBtn !== false);
				this.updateNavArrows();
				this.fillMonths();
				var prevMonth = UTCDate(year, month - 1, 28, 0, 0, 0, 0),
					day = DPGlobal.getDaysInMonth(prevMonth.getUTCFullYear(), prevMonth.getUTCMonth());
				prevMonth.setUTCDate(day);
				prevMonth.setUTCDate(day - (prevMonth.getUTCDay() - this.o.weekStart + 7) % 7);
				var nextMonth = new Date(prevMonth);
				nextMonth.setUTCDate(nextMonth.getUTCDate() + 42);
				nextMonth = nextMonth.valueOf();
				var html = [];
				var clsName;
				while (prevMonth.valueOf() < nextMonth) {
					if (prevMonth.getUTCDay() == this.o.weekStart) {
						html.push('<tr>');
						if (this.o.calendarWeeks) {
							// ISO 8601: First week contains first thursday.
							// ISO also states week starts on Monday, but we can be more abstract here.
							var
							// Start of current week: based on weekstart/current date
								ws = new Date(+prevMonth + (this.o.weekStart - prevMonth.getUTCDay() - 7) % 7 * 864e5),
								// Thursday of this week
								th = new Date(+ws + (7 + 4 - ws.getUTCDay()) % 7 * 864e5),
								// First Thursday of year, year from thursday
								yth = new Date(+(yth = UTCDate(th.getUTCFullYear(), 0, 1)) + (7 + 4 - yth.getUTCDay()) % 7 * 864e5),
								// Calendar week: ms between thursdays, div ms per day, div 7 days
								calWeek = (th - yth) / 864e5 / 7 + 1;
							html.push('<td class="cw">' + calWeek + '</td>');

						}
					}
					clsName = this.getClassNames(prevMonth);
					clsName.push('day');

					if (this.o.beforeShowDay !== $.noop) {
						var before = this.o.beforeShowDay(this._utc_to_local(prevMonth));
						if (before === undefined)
							before = {};
						else if (typeof(before) === 'boolean')
							before = {
								enabled: before
							};
						else if (typeof(before) === 'string')
							before = {
								classes: before
							};
						if (before.enabled === false)
							clsName.push('disabled');
						if (before.classes)
							clsName = clsName.concat(before.classes.split(/\s+/));
						if (before.tooltip)
							tooltip = before.tooltip;
					}

					clsName = $.unique(clsName);
					html.push('<td class="' + clsName.join(' ') + '"' + (tooltip ? ' title="' + tooltip + '"' : '') + '>' + prevMonth.getUTCDate() + '</td>');
					if (prevMonth.getUTCDay() == this.o.weekEnd) {
						html.push('</tr>');
					}
					prevMonth.setUTCDate(prevMonth.getUTCDate() + 1);
				}
				this.picker.find('.datepicker-days tbody').empty().append(html.join(''));
				var currentYear = this.date && this.date.getUTCFullYear();

				var months = this.picker.find('.datepicker-months')
					.find('th:eq(1)')
					.text(year)
					.end()
					.find('span').removeClass('active');
				if (currentYear && currentYear == year) {
					months.eq(this.date.getUTCMonth()).addClass('active');
				}
				if (year < startYear || year > endYear) {
					months.addClass('disabled');
				}
				if (year == startYear) {
					months.slice(0, startMonth).addClass('disabled');
				}
				if (year == endYear) {
					months.slice(endMonth + 1).addClass('disabled');
				}

				html = '';
				year = parseInt(year / 10, 10) * 10;
				var yearCont = this.picker.find('.datepicker-years')
					.find('th:eq(1)')
					.text(year + '-' + (year + 9))
					.end()
					.find('td');
				year -= 1;
				for (var i = -1; i < 11; i++) {
					html += '<span class="year' + (i == -1 ? ' old' : i == 10 ? ' new' : '') + (currentYear == year ? ' active' : '') + (year < startYear || year > endYear ? ' disabled' : '') + '">' + year + '</span>';
					year += 1;
				}
				yearCont.html(html);
			},

			updateNavArrows: function() {
				if (!this._allow_update) return;

				var d = new Date(this.viewDate),
					year = d.getUTCFullYear(),
					month = d.getUTCMonth();
				switch (this.viewMode) {
					case 0:
						if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear() && month <= this.o.startDate.getUTCMonth()) {
							this.picker.find('.prev').css({
								visibility: 'hidden'
							});
						} else {
							this.picker.find('.prev').css({
								visibility: 'visible'
							});
						}
						if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear() && month >= this.o.endDate.getUTCMonth()) {
							this.picker.find('.next').css({
								visibility: 'hidden'
							});
						} else {
							this.picker.find('.next').css({
								visibility: 'visible'
							});
						}
						break;
					case 1:
					case 2:
						if (this.o.startDate !== -Infinity && year <= this.o.startDate.getUTCFullYear()) {
							this.picker.find('.prev').css({
								visibility: 'hidden'
							});
						} else {
							this.picker.find('.prev').css({
								visibility: 'visible'
							});
						}
						if (this.o.endDate !== Infinity && year >= this.o.endDate.getUTCFullYear()) {
							this.picker.find('.next').css({
								visibility: 'hidden'
							});
						} else {
							this.picker.find('.next').css({
								visibility: 'visible'
							});
						}
						break;
				}
			},

			click: function(e) {
				e.preventDefault();
				var target = $(e.target).closest('span, td, th');
				if (target.length == 1) {
					switch (target[0].nodeName.toLowerCase()) {
						case 'th':
							switch (target[0].className) {
								case 'datepicker-switch':
									this.showMode(1);
									break;
								case 'prev':
								case 'next':
									var dir = DPGlobal.modes[this.viewMode].navStep * (target[0].className == 'prev' ? -1 : 1);
									switch (this.viewMode) {
										case 0:
											this.viewDate = this.moveMonth(this.viewDate, dir);
											this._trigger('changeMonth', this.viewDate);
											break;
										case 1:
										case 2:
											this.viewDate = this.moveYear(this.viewDate, dir);
											if (this.viewMode === 1)
												this._trigger('changeYear', this.viewDate);
											break;
									}
									this.fill();
									break;
								case 'today':
									var date = new Date();
									date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);

									this.showMode(-2);
									var which = this.o.todayBtn == 'linked' ? null : 'view';
									this._setDate(date, which);
									break;
								case 'clear':
									var element;
									if (this.isInput)
										element = this.element;
									else if (this.component)
										element = this.element.find('input');
									if (element)
										element.val("").change();
									this._trigger('changeDate');
									this.update();
									if (this.o.autoclose)
										this.hide();
									break;
							}
							break;
						case 'span':
							if (!target.is('.disabled')) {
								this.viewDate.setUTCDate(1);
								if (target.is('.month')) {
									var day = 1;
									var month = target.parent().find('span').index(target);
									var year = this.viewDate.getUTCFullYear();
									this.viewDate.setUTCMonth(month);
									this._trigger('changeMonth', this.viewDate);
									if (this.o.minViewMode === 1) {
										this._setDate(UTCDate(year, month, day, 0, 0, 0, 0));
									}
								} else {
									var year = parseInt(target.text(), 10) || 0;
									var day = 1;
									var month = 0;
									this.viewDate.setUTCFullYear(year);
									this._trigger('changeYear', this.viewDate);
									if (this.o.minViewMode === 2) {
										this._setDate(UTCDate(year, month, day, 0, 0, 0, 0));
									}
								}
								this.showMode(-1);
								this.fill();
							}
							break;
						case 'td':
							if (target.is('.day') && !target.is('.disabled')) {
								var day = parseInt(target.text(), 10) || 1;
								var year = this.viewDate.getUTCFullYear(),
									month = this.viewDate.getUTCMonth();
								if (target.is('.old')) {
									if (month === 0) {
										month = 11;
										year -= 1;
									} else {
										month -= 1;
									}
								} else if (target.is('.new')) {
									if (month == 11) {
										month = 0;
										year += 1;
									} else {
										month += 1;
									}
								}
								this._setDate(UTCDate(year, month, day, 0, 0, 0, 0));
							}
							break;
					}
				}
			},

			_setDate: function(date, which) {
				if (!which || which == 'date')
					this.date = new Date(date);
				if (!which || which == 'view')
					this.viewDate = new Date(date);
				this.fill();
				this.setValue();
				this._trigger('changeDate');
				var element;
				if (this.isInput) {
					element = this.element;
				} else if (this.component) {
					element = this.element.find('input');
				}
				if (element) {
					element.change();
				}
				if (this.o.autoclose && (!which || which == 'date')) {
					this.hide();
				}
			},

			moveMonth: function(date, dir) {
				if (!dir) return date;
				var new_date = new Date(date.valueOf()),
					day = new_date.getUTCDate(),
					month = new_date.getUTCMonth(),
					mag = Math.abs(dir),
					new_month, test;
				dir = dir > 0 ? 1 : -1;
				if (mag == 1) {
					test = dir == -1
						// If going back one month, make sure month is not current month
						// (eg, Mar 31 -> Feb 31 == Feb 28, not Mar 02)
						? function() {
							return new_date.getUTCMonth() == month;
						}
						// If going forward one month, make sure month is as expected
						// (eg, Jan 31 -> Feb 31 == Feb 28, not Mar 02)
						: function() {
							return new_date.getUTCMonth() != new_month;
						};
					new_month = month + dir;
					new_date.setUTCMonth(new_month);
					// Dec -> Jan (12) or Jan -> Dec (-1) -- limit expected date to 0-11
					if (new_month < 0 || new_month > 11)
						new_month = (new_month + 12) % 12;
				} else {
					// For magnitudes >1, move one month at a time...
					for (var i = 0; i < mag; i++)
					// ...which might decrease the day (eg, Jan 31 to Feb 28, etc)...
						new_date = this.moveMonth(new_date, dir);
					// ...then reset the day, keeping it in the new month
					new_month = new_date.getUTCMonth();
					new_date.setUTCDate(day);
					test = function() {
						return new_month != new_date.getUTCMonth();
					};
				}
				// Common date-resetting loop -- if date is beyond end of month, make it
				// end of month
				while (test()) {
					new_date.setUTCDate(--day);
					new_date.setUTCMonth(new_month);
				}
				return new_date;
			},

			moveYear: function(date, dir) {
				return this.moveMonth(date, dir * 12);
			},

			dateWithinRange: function(date) {
				return date >= this.o.startDate && date <= this.o.endDate;
			},

			keydown: function(e) {
				if (this.picker.is(':not(:visible)')) {
					if (e.keyCode == 27) // allow escape to hide and re-show picker
						this.show();
					return;
				}
				var dateChanged = false,
					dir, day, month,
					newDate, newViewDate;
				switch (e.keyCode) {
					case 27: // escape
						this.hide();
						e.preventDefault();
						break;
					case 37: // left
					case 39: // right
						if (!this.o.keyboardNavigation) break;
						dir = e.keyCode == 37 ? -1 : 1;
						if (e.ctrlKey) {
							newDate = this.moveYear(this.date, dir);
							newViewDate = this.moveYear(this.viewDate, dir);
							this._trigger('changeYear', this.viewDate);
						} else if (e.shiftKey) {
							newDate = this.moveMonth(this.date, dir);
							newViewDate = this.moveMonth(this.viewDate, dir);
							this._trigger('changeMonth', this.viewDate);
						} else {
							newDate = new Date(this.date);
							newDate.setUTCDate(this.date.getUTCDate() + dir);
							newViewDate = new Date(this.viewDate);
							newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir);
						}
						if (this.dateWithinRange(newDate)) {
							this.date = newDate;
							this.viewDate = newViewDate;
							this.setValue();
							this.update();
							e.preventDefault();
							dateChanged = true;
						}
						break;
					case 38: // up
					case 40: // down
						if (!this.o.keyboardNavigation) break;
						dir = e.keyCode == 38 ? -1 : 1;
						if (e.ctrlKey) {
							newDate = this.moveYear(this.date, dir);
							newViewDate = this.moveYear(this.viewDate, dir);
							this._trigger('changeYear', this.viewDate);
						} else if (e.shiftKey) {
							newDate = this.moveMonth(this.date, dir);
							newViewDate = this.moveMonth(this.viewDate, dir);
							this._trigger('changeMonth', this.viewDate);
						} else {
							newDate = new Date(this.date);
							newDate.setUTCDate(this.date.getUTCDate() + dir * 7);
							newViewDate = new Date(this.viewDate);
							newViewDate.setUTCDate(this.viewDate.getUTCDate() + dir * 7);
						}
						if (this.dateWithinRange(newDate)) {
							this.date = newDate;
							this.viewDate = newViewDate;
							this.setValue();
							this.update();
							e.preventDefault();
							dateChanged = true;
						}
						break;
					case 13: // enter
						this.hide();
						e.preventDefault();
						break;
					case 9: // tab
						this.hide();
						break;
				}
				if (dateChanged) {
					this._trigger('changeDate');
					var element;
					if (this.isInput) {
						element = this.element;
					} else if (this.component) {
						element = this.element.find('input');
					}
					if (element) {
						element.change();
					}
				}
			},

			showMode: function(dir) {
				if (dir) {
					this.viewMode = Math.max(this.o.minViewMode, Math.min(2, this.viewMode + dir));
				}
				/*
					vitalets: fixing bug of very special conditions:
					jquery 1.7.1 + webkit + show inline datepicker in bootstrap popover.
					Method show() does not set display css correctly and datepicker is not shown.
					Changed to .css('display', 'block') solve the problem.
					See https://github.com/vitalets/x-editable/issues/37

					In jquery 1.7.2+ everything works fine.
				*/
				//this.picker.find('>div').hide().filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName).show();
				this.picker.find('>div').hide().filter('.datepicker-' + DPGlobal.modes[this.viewMode].clsName).css('display', 'block');
				this.updateNavArrows();
			}
		};

		var DateRangePicker = function(element, options) {
			this.element = $(element);
			this.inputs = $.map(options.inputs, function(i) {
				return i.jquery ? i[0] : i;
			});
			delete options.inputs;

			$(this.inputs)
				.datepicker(options)
				.bind('changeDate', $.proxy(this.dateUpdated, this));

			this.pickers = $.map(this.inputs, function(i) {
				return $(i).data('datepicker');
			});
			this.updateDates();
		};
		DateRangePicker.prototype = {
			updateDates: function() {
				this.dates = $.map(this.pickers, function(i) {
					return i.date;
				});
				this.updateRanges();
			},
			updateRanges: function() {
				var range = $.map(this.dates, function(d) {
					return d.valueOf();
				});
				$.each(this.pickers, function(i, p) {
					p.setRange(range);
				});
			},
			dateUpdated: function(e) {
				var dp = $(e.target).data('datepicker'),
					new_date = dp.getUTCDate(),
					i = $.inArray(e.target, this.inputs),
					l = this.inputs.length;
				if (i == -1) return;

				if (new_date < this.dates[i]) {
					// Date being moved earlier/left
					while (i >= 0 && new_date < this.dates[i]) {
						this.pickers[i--].setUTCDate(new_date);
					}
				} else if (new_date > this.dates[i]) {
					// Date being moved later/right
					while (i < l && new_date > this.dates[i]) {
						this.pickers[i++].setUTCDate(new_date);
					}
				}
				this.updateDates();
			},
			remove: function() {
				$.map(this.pickers, function(p) {
					p.remove();
				});
				delete this.element.data().datepicker;
			}
		};

		function opts_from_el(el, prefix) {
			// Derive options from element data-attrs
			var data = $(el).data(),
				out = {},
				inkey,
				replace = new RegExp('^' + prefix.toLowerCase() + '([A-Z])'),
				prefix = new RegExp('^' + prefix.toLowerCase());
			for (var key in data)
				if (prefix.test(key)) {
					inkey = key.replace(replace, function(_, a) {
						return a.toLowerCase();
					});
					out[inkey] = data[key];
				}
			return out;
		}

		function opts_from_locale(lang) {
			// Derive options from locale plugins
			var out = {};
			// Check if "de-DE" style date is available, if not language should
			// fallback to 2 letter code eg "de"
			if (!dates[lang]) {
				lang = lang.split('-')[0]
				if (!dates[lang])
					return;
			}
			var d = dates[lang];
			$.each(locale_opts, function(i, k) {
				if (k in d)
					out[k] = d[k];
			});
			return out;
		}

		var old = $.fn.datepicker;
		$.fn.datepicker = function(option) {
			var args = Array.apply(null, arguments);
			args.shift();
			var internal_return,
				this_return;
			this.each(function() {
				var $this = $(this),
					data = $this.data('datepicker'),
					options = typeof option == 'object' && option;
				if (!data) {
					var elopts = opts_from_el(this, 'date'),
						// Preliminary otions
						xopts = $.extend({}, defaults, elopts, options),
						locopts = opts_from_locale(xopts.language),
						// Options priority: js args, data-attrs, locales, defaults
						opts = $.extend({}, defaults, locopts, elopts, options);
					if ($this.is('.input-daterange') || opts.inputs) {
						var ropts = {
							inputs: opts.inputs || $this.find('input').toArray()
						};
						$this.data('datepicker', (data = new DateRangePicker(this, $.extend(opts, ropts))));
					} else {
						$this.data('datepicker', (data = new Datepicker(this, opts)));
					}
				}
				if (typeof option == 'string' && typeof data[option] == 'function') {
					internal_return = data[option].apply(data, args);
					if (internal_return !== undefined)
						return false;
				}
			});
			if (internal_return !== undefined)
				return internal_return;
			else
				return this;
		};

		var defaults = $.fn.datepicker.defaults = {
			autoclose: false,
			beforeShowDay: $.noop,
			calendarWeeks: false,
			clearBtn: false,
			daysOfWeekDisabled: [],
			endDate: Infinity,
			forceParse: true,
			format: 'mm/dd/yyyy',
			keyboardNavigation: true,
			language: 'en',
			minViewMode: 0,
			orientation: "auto",
			rtl: false,
			startDate: -Infinity,
			startView: 0,
			todayBtn: false,
			todayHighlight: false,
			weekStart: 0
		};
		var locale_opts = $.fn.datepicker.locale_opts = [
			'format',
			'rtl',
			'weekStart'
		];
		$.fn.datepicker.Constructor = Datepicker;
		var dates = $.fn.datepicker.dates = {
			en: {
				days: ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"],
				daysShort: ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"],
				daysMin: ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", "Su"],
				months: ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
				monthsShort: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
				today: "Today",
				clear: "Clear"
			}
		};

		var DPGlobal = {
			modes: [{
				clsName: 'days',
				navFnc: 'Month',
				navStep: 1
			}, {
				clsName: 'months',
				navFnc: 'FullYear',
				navStep: 1
			}, {
				clsName: 'years',
				navFnc: 'FullYear',
				navStep: 10
			}],
			isLeapYear: function(year) {
				return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0));
			},
			getDaysInMonth: function(year, month) {
				return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
			},
			validParts: /dd?|DD?|mm?|MM?|yy(?:yy)?/g,
			nonpunctuation: /[^ -\/:-@\[\u3400-\u9fff-`{-~\t\n\r]+/g,
			parseFormat: function(format) {
				// IE treats \0 as a string end in inputs (truncating the value),
				// so it's a bad format delimiter, anyway
				var separators = format.replace(this.validParts, '\0').split('\0'),
					parts = format.match(this.validParts);
				if (!separators || !separators.length || !parts || parts.length === 0) {
					throw new Error("Invalid date format.");
				}
				return {
					separators: separators,
					parts: parts
				};
			},
			parseDate: function(date, format, language) {
				if (date instanceof Date) return date;
				if (typeof format === 'string')
					format = DPGlobal.parseFormat(format);
				if (/^[\-+]\d+[dmwy]([\s,]+[\-+]\d+[dmwy])*$/.test(date)) {
					var part_re = /([\-+]\d+)([dmwy])/,
						parts = date.match(/([\-+]\d+)([dmwy])/g),
						part, dir;
					date = new Date();
					for (var i = 0; i < parts.length; i++) {
						part = part_re.exec(parts[i]);
						dir = parseInt(part[1]);
						switch (part[2]) {
							case 'd':
								date.setUTCDate(date.getUTCDate() + dir);
								break;
							case 'm':
								date = Datepicker.prototype.moveMonth.call(Datepicker.prototype, date, dir);
								break;
							case 'w':
								date.setUTCDate(date.getUTCDate() + dir * 7);
								break;
							case 'y':
								date = Datepicker.prototype.moveYear.call(Datepicker.prototype, date, dir);
								break;
						}
					}
					return UTCDate(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), 0, 0, 0);
				}
				var parts = date && date.match(this.nonpunctuation) || [],
					date = new Date(),
					parsed = {},
					setters_order = ['yyyy', 'yy', 'M', 'MM', 'm', 'mm', 'd', 'dd'],
					setters_map = {
						yyyy: function(d, v) {
							return d.setUTCFullYear(v);
						},
						yy: function(d, v) {
							return d.setUTCFullYear(2000 + v);
						},
						m: function(d, v) {
							if (isNaN(d))
								return d;
							v -= 1;
							while (v < 0) v += 12;
							v %= 12;
							d.setUTCMonth(v);
							while (d.getUTCMonth() != v)
								d.setUTCDate(d.getUTCDate() - 1);
							return d;
						},
						d: function(d, v) {
							return d.setUTCDate(v);
						}
					},
					val, filtered, part;
				setters_map['M'] = setters_map['MM'] = setters_map['mm'] = setters_map['m'];
				setters_map['dd'] = setters_map['d'];
				date = UTCDate(date.getFullYear(), date.getMonth(), date.getDate(), 0, 0, 0);
				var fparts = format.parts.slice();
				// Remove noop parts
				if (parts.length != fparts.length) {
					fparts = $(fparts).filter(function(i, p) {
						return $.inArray(p, setters_order) !== -1;
					}).toArray();
				}
				// Process remainder
				if (parts.length == fparts.length) {
					for (var i = 0, cnt = fparts.length; i < cnt; i++) {
						val = parseInt(parts[i], 10);
						part = fparts[i];
						if (isNaN(val)) {
							switch (part) {
								case 'MM':
									filtered = $(dates[language].months).filter(function() {
										var m = this.slice(0, parts[i].length),
											p = parts[i].slice(0, m.length);
										return m == p;
									});
									val = $.inArray(filtered[0], dates[language].months) + 1;
									break;
								case 'M':
									filtered = $(dates[language].monthsShort).filter(function() {
										var m = this.slice(0, parts[i].length),
											p = parts[i].slice(0, m.length);
										return m == p;
									});
									val = $.inArray(filtered[0], dates[language].monthsShort) + 1;
									break;
							}
						}
						parsed[part] = val;
					}
					for (var i = 0, _date, s; i < setters_order.length; i++) {
						s = setters_order[i];
						if (s in parsed && !isNaN(parsed[s])) {
							_date = new Date(date);
							setters_map[s](_date, parsed[s]);
							if (!isNaN(_date))
								date = _date;
						}
					}
				}
				return date;
			},
			formatDate: function(date, format, language) {
				if (typeof format === 'string')
					format = DPGlobal.parseFormat(format);
				var val = {
					d: date.getUTCDate(),
					D: dates[language].daysShort[date.getUTCDay()],
					DD: dates[language].days[date.getUTCDay()],
					m: date.getUTCMonth() + 1,
					M: dates[language].monthsShort[date.getUTCMonth()],
					MM: dates[language].months[date.getUTCMonth()],
					yy: date.getUTCFullYear().toString().substring(2),
					yyyy: date.getUTCFullYear()
				};
				val.dd = (val.d < 10 ? '0' : '') + val.d;
				val.mm = (val.m < 10 ? '0' : '') + val.m;
				var date = [],
					seps = $.extend([], format.separators);
				for (var i = 0, cnt = format.parts.length; i <= cnt; i++) {
					if (seps.length)
						date.push(seps.shift());
					date.push(val[format.parts[i]]);
				}
				return date.join('');
			},
			headTemplate: '<thead>' +
				'<tr>' +
				'<th class="prev"><i class="fa fa-angle-left"></i></th>' +
				'<th colspan="5" class="datepicker-switch"></th>' +
				'<th class="next"><i class="fa fa-angle-right"></i></th>' +
				'</tr>' +
				'</thead>',
			contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>',
			footTemplate: '<tfoot><tr><th colspan="7" class="today"></th></tr><tr><th colspan="7" class="clear"></th></tr></tfoot>'
		};
		DPGlobal.template = '<div class="datepicker">' +
			'<div class="datepicker-days">' +
			'<table class=" table-condensed">' +
			DPGlobal.headTemplate +
			'<tbody></tbody>' +
			DPGlobal.footTemplate +
			'</table>' +
			'</div>' +
			'<div class="datepicker-months">' +
			'<table class="table-condensed">' +
			DPGlobal.headTemplate +
			DPGlobal.contTemplate +
			DPGlobal.footTemplate +
			'</table>' +
			'</div>' +
			'<div class="datepicker-years">' +
			'<table class="table-condensed">' +
			DPGlobal.headTemplate +
			DPGlobal.contTemplate +
			DPGlobal.footTemplate +
			'</table>' +
			'</div>' +
			'</div>';

		$.fn.datepicker.DPGlobal = DPGlobal;


		/* DATEPICKER NO CONFLICT
		 * =================== */

		$.fn.datepicker.noConflict = function() {
			$.fn.datepicker = old;
			return this;
		};


		/* DATEPICKER DATA-API
		 * ================== */

		$(document).on(
			'focus.datepicker.data-api click.datepicker.data-api',
			'[data-provide="datepicker"]',
			function(e) {
				var $this = $(this);
				if ($this.data('datepicker')) return;
				e.preventDefault();
				// component click requires us to explicitly show it
				$this.datepicker('show');
			}
		);
		$(function() {
			$('[data-provide="datepicker-inline"]').datepicker();
		});

	}(window.jQuery));

});
